Earth & Environmental Sciences
isotope
60%
catchment
30%
xylem
26%
water
24%
water use
19%
groundwater
18%
soil water
16%
tracer
16%
calibration
13%
hydrological response
12%
hypothesis testing
12%
benchmarking
12%
deuterium
11%
energy flux
11%
need
10%
hillslope
10%
development model
10%
energy
9%
topsoil
9%
soil profile
9%
flow velocity
9%
simulation
8%
parameterization
8%
environmental conditions
7%
runoff
7%
time series
7%
hydraulics
6%
water quality
6%
Mathematics
Water
81%
Xylem
28%
Ground Water
28%
Model
26%
Soil
24%
Calibration
14%
Energy
13%
Water Quality
10%
Spatio-temporal Patterns
9%
Benchmarking
9%
Simulation
8%
Hydraulics
8%
Range of data
8%
Balancing
7%
Excess
7%
Parameterization
6%
Hypothesis Testing
6%
Discrepancy
6%
Molecules
6%
Propagation
6%
Time series
6%
Profile
5%
Gradient
5%
Formulation
4%
Framework
3%
Estimate
3%
Engineering & Materials Science
Isotopes
100%
Water
44%
Catchments
40%
Groundwater
24%
Soils
15%
Tracers
15%
Fluxes
11%
Calibration
10%
Deuterium
9%
Runoff
9%
Water quality
8%
Parameterization
7%
Benchmarking
7%
Flow velocity
6%
Molecules
6%
Time series
5%
Hydraulics
5%
Chemical analysis
4%
Testing
3%